<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面未找到</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            color: #333;
            text-align: center;
            padding: 50px;
        }
        h1 {
            font-size: 4em;
            margin: 0;
            color: #e74c3c;
        }
        p {
            font-size: 1.5em;
            margin: 20px 0;
        }
        a {
            color: #3498db;
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }
    </style>
</head>
<body>
    <h1>404</h1>
    <p>哎呀！您访问的页面不存在。</p>
    <p>可能是页面被移除或输入了错误的网址。</p>
    <p><a href="/">返回首页</a></p>
</body>
</html>